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Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack

Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack

Q: Is there a solvent or dremel attachement that will remove this stuff from bolt threads?

You don't need solvent or dremel. It will keep any screw or bolt from loosening, but you can get the bolt/screw out with a screwdriver and just brush off the Loctite. Very good stuff.

Q: Do I apply this to my doorknob set screw before screwing it in or after? (ie, a drop on top?)

Before. You apply this to the screw threads before screwing in. Make sure you only apply a very little bit. More is not better.

Q: how do I open the sealed tube? do I just poke a hole at the top?

I think it's best to use a thumbtack, safety pin, etc. to poke a hole into the flat tip. This will give you "droplet-sized control" in application.

Q: can this be used in glasses? The screws that hold the lenses in place?

No, it is designed for larger screws. Use Loctite 222 for small screws.

Product ID: 1998117

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Details

Brand
Loctite
Specific Uses For Product
Threadlocker
Material
ester
Item Form
Liquid
Special Feature
Strong

🔒Medium-strength lock for 6-19mm fasteners

⏱️Sets in 10 minutes, full cure in 24 hours

🛡️Prevents rust, corrosion & loosening

Frequently Bought Together

Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack

Wheeler Manual Firearms Accurizing Torque Wrench with Inch/Pounds Measurement, Bits and Storage Case for Scope Mounting, Gunsmithing and Maintenance

Description

🔧 Lock it down, loosen up later — the smart fix for every fastener!

FAST EFFICIENT - Sets in just 10 minutes so you can get back to work quickly, with full curing in 24 hours for lasting hold.
REMOVABLE WHEN NEEDED - Designed for easy removal with standard hand tools, giving you flexibility without sacrificing strength.
VERSATILE APPLICATION - Ideal for small motors, mowers, power equipment, and any project demanding reliable thread locking.
SECURE EVERY CONNECTION - Medium-strength formula locks nuts & bolts from 6mm to 19mm, ensuring your gear stays tight under vibration.
RUST CORROSION DEFENSE - Protects metal fasteners from leaks, rust, and corrosion—no more costly replacements or extra washers needed.

Threadlocker Blue 242 is a medium-strength removable thread lock adhesive designed for 6mm to 19mm nuts and bolts. It prevents loosening caused by vibration, protects against rust and corrosion, sets quickly in 10 minutes, and fully cures in 24 hours. Perfect for small motors, power equipment, and general hardware fastening needs.

Have a Question? See What Others Asked

Is there a solvent or dremel attachement that will remove this stuff from bolt threads?

Do I apply this to my doorknob set screw before screwing it in or after? (ie, a drop on top?)

how do I open the sealed tube? do I just poke a hole at the top?

can this be used in glasses? The screws that hold the lenses in place?

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